Beyond just watching, attackers can sometimes use the underlying hardware of IP cameras to launch DDoS attacks or pivot into a local network.
EvoCam was a popular webcam software for Mac users that allowed them to publish live video streams directly to the web. By default, many versions of this software created a file named webcam.html . When these cameras were connected to the internet without proper password protection or firewall configurations, search engines like Google indexed the pages.
Never leave your stream "Open." Set a strong username and password requirement for the web interface.